Lamp



FIG. 1 is a front-side elevational perspective view of a lighting device showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right elevational view thereof;

FIG. 4 is a plan view;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a rear perspective view thereof, with the handle portion shown in an alternate position;

FIG. 9 is a front elevational view of the second embodiment; and,

FIG. 10 is a left side elevational view of the embodiment, the right side elevational view being a mirror image thereof. 

The ornamental design for a lamp, as shown and described. 